/Engine/Plugins/Experimental/AnimNext/Source/AnimNext/Public/GenerationTools.h
Calculate the bone indexes difference from LOD0 for LODIndex.
static void CalculateDifferenceFromParentLOD ( int32 LODIndex, [TArray](API\Runtime\Core\Containers\TArray)< [FGenerationLODData](API\Plugins\AnimNext\FGenerationLODData) > & GenerationLODData )